#include <iostream>
 
class Base
{
public:
    Base(){}
    virtual ~Base(){
        std::cout << "deleting b" << std::endl;
        finalize();
    }
    virtual void finalize()
    {
	std::cout << "called finalize in Base" << std::endl;
    }
};
 
class A : public Base
{
public:
   A(){}
   ~A(){}
   void finalize(){std::cout << "called finalize in a" << std::endl;}
};
 
int main(int argc, char *argv[])
{
    Base *b = new A;
    delete b;
}

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